<template>
	<view class="container">
		<u-navbar :custom-back="back" title="小程序登录"></u-navbar>
		<u-modal v-model="phoneAuthPopup" :mask-close-able="true" :title="projectName+'商城'"
			:show-confirm-button="false">
			<div class="tips">
				为了更好地用户体验，需要您授权手机号
			</div>
			<button class="register" type="primary" open-type="getPhoneNumber" @getphonenumber="getPhoneNumber">
				去授权
			</button>
		</u-modal>
		<view class="wx-auth-container">
			<div class="box">
				<view class="logo-info">
					<text class="title">欢迎进入{{ projectName }}</text>
				</view>
				<view class="small-tips">
					<view>为您提供优质服务,{{ projectName }}需要获取以下信息</view>
					<view>您的公开信息（昵称、头像）</view>
				</view>
				<view class="btns">
					<button type="primary" :disabled="logingFlag" bindtap="getUserProfile" @click="getUserProfile()"
						class="btn-auth">登录</button>
					<div @click="backToHome" class="btn-callback">暂不登录</div>
				</view>
				<div class="privacy">
            <u-checkbox shape="circle" v-model="checked" :active-color="lightColor">
              <div class="flex">
                阅读并同意<navigator class="light-color" url="/pages/mine/help/tips?type=PRIVACY_POLICY">《隐私协议》</navigator>
                <navigator class="light-color" url="/pages/mine/help/tips?type=USER_AGREEMENT">《用户协议》</navigator>
              </div>
            </u-checkbox>
        </div>
			</div>
		</view>
	</view>
</template>

<script>
	import {
		mpAutoLogin
	} from "@/api/connect.js";

	import {
		whetherNavigate
	} from "@/utils/Foundation"; //登录跳转
	import {
		getUserInfo
	} from "@/api/members";
	import storage from "@/utils/storage.js";
	import config from '@/config/config'
	export default {
		data() {
			return {
				lightColor:this.$lightColor,
				checked:false,
        configs:config,
				// 是否展示手机号码授权弹窗，默认第一步不展示，要先获取用户基础信息
				phoneAuthPopup: false,
				// 授权信息展示，商城名称
				projectName: config.name,
				//微信返回信息，用于揭秘信息，获取sessionkey
				code: "",
				//微信昵称
				nickName: "",
        logingFlag: false,
				//微信头像
				image: "",
			};
		},

		//微信小程序进入页面，先获取code，否则几率出现code和后续交互数据不对应情况
		mounted() {
			// 小程序默认分享
			uni.showShareMenu({
				withShareTicket: true
			});


      //获取code
      uni.login({
        success: (res) => {
          if(res.errMsg === "login:ok") {
            this.code = res.code
          } else {
            uni.showToast({
              title: "系统异常，请联系管理员！"
            })
          }
        },
      });
			
		},
		methods: {
			/**
			 * TODO 此方法不一定是最优解，如果有更好的办法请在  https://gitee.com/beijing_hongye_huicheng/lilishop/issues 中提出
			 * 小程序返回bug
			 * 1.介于微信登录是在login.vue的基础上作为判断跳转来
			 * 所以在页面栈中会自动记录回退路径，所以导致每次微信小程序点击回退就会自动返回login页面
			 * 当然login页面的判断就是 没有登录就会跳转到微信小程序页面 导致了无法回退到之前页面
			 * 2.解决方法： 尝试在回退的时候判断地址，让回退多一级这样就避免了
			 */

			back() {
				whetherNavigate("wx");
			},
			backToHome() {
				uni.switchTab({
					url: `/pages/tabbar/home/index`,
				});
			},




			//获取用户信息
      getUserProfile(e) {
				if(!this.checked){
					uni.showToast({
						title:"请勾选协议",
						icon:'none'
					})
					return
				}
        this.logingFlag = true;

        if (this.code) {
          // 推荐使用wx.getUserProfile获取用户信息，开发者每次通过该接口获取用户个人信息均需用户确认
          uni.getUserProfile({
            desc: "用于完善会员资料", // 声明获取用户个人信息后的用途，后续会展示在弹窗中，请谨慎填写
            success: (res) => {
              console.log("success", res)
              this.nickName = res.userInfo.nickName;
              this.image = res.userInfo.avatarUrl;

              /**
               * 根据公有的配置设置登录方式
               */
              if(this.configs.enableFetchMobileLogin){
                this.phoneAuthPopup = true;
                return false
              }
              let iv = res.iv;
              let encryptedData = res.encryptedData;

              let code = this.code;
              let image = this.image;
              let nickName = this.nickName;
              mpAutoLogin({
                encryptedData,
                iv,
                code,
                image,
                nickName,
              }).then((apiRes) => {
                storage.setAccessToken(apiRes.data.result.accessToken);
                storage.setRefreshToken(apiRes.data.result.refreshToken);
                // 登录成功
                uni.showToast({
                  title: "登录成功!",
                  icon: "none",
                });
                //获取用户信息
                getUserInfo().then((user) => {
                  storage.setUserInfo(user.data.result);
                  storage.setHasLogin(true);

                  uni.navigateBack({
                    delta: 1,
                  });
                });
              });

            },
            fail: (res) => {
              console.log("fail", res)
            },
          });

          this.logingFlag = false;
        }
			},

			//获取手机号授权
			getPhoneNumber(e) {
			  let iv = e.detail.iv;
			  let encryptedData = e.detail.encryptedData;
			  if (!e.detail.encryptedData) {
			    uni.showToast({
			      title: "请授予手机号码权限，手机号码会和会员系统用户绑定！",
			      icon: "none",
			    });
			    return;
			  }

			  let code = this.code;
			  let image = this.image;
			  let nickName = this.nickName;
			  mpAutoLogin({
			    encryptedData,
			    iv,
			    code,
			    image,
			    nickName,
			  }).then((res) => {
			    storage.setAccessToken(res.data.result.accessToken);
			    storage.setRefreshToken(res.data.result.refreshToken);
			    // 登录成功
			    uni.showToast({
			      title: "登录成功!",
			      icon: "none",
			    });
			    //获取用户信息
			    getUserInfo().then((user) => {
			      storage.setUserInfo(user.data.result);
			      storage.setHasLogin(true);

			      uni.navigateBack({
			        delta: 1,
			      });
			    });
			  });
			},




		},
	};
</script>
<style lang="scss" scoped>
	/*微信授权*/
	page {
		background-color: #ffffff;
	}

	.wx-auth-container {
		width: 100%;
		margin-top: 20%;
	}

	.logo-info {
		display: flex;
		flex-wrap: nowrap;
		justify-content: flex-start;
		flex-direction: row;
		align-items: flex-start;
		padding: 20rpx;

		flex-direction: column;
		font-weight: bold;
	}

	image {
		width: 100px;
		height: 100px;
		text-align: center;
		-webkit-transform: scale(2.5);
		transform: scale(2.5);
	}

	.logo-info-img {
		width: 80rpx;
		height: 80rpx;
		border-radius: 50%;
		border: none;
	}

	text.title,
	text.shop {
		display: inline-block;
		font-size: 60rpx;
		color: #333;
	}

	text.shop {
		display: inline-block;
		font-size: 55rpx;
		color: #333;
	}

	.box {
		margin: 0 32rpx;
	}

	/* 文字提示*/
	.small-tips {
		width: 94%;
		padding: 20rpx;
		font-size: 24rpx;
		margin: 0 0 20rpx;
		color: #999;
	}

	.auth-button {
		padding: 10px 20px;
		width: calc(100% - 20 * 4rpx);
	}

	.tips {
		width: 80%;
		text-align: left;
		margin: 6% 10%;
		margin-top: 48rpx;
		line-height: 1.75;
	}

	.register {
		color: $weChat-color !important;
		border: none !important;
		background: #fff !important;
	}

.btn-auth {
  width: 92%;
  margin: 0 auto 40rpx;
  border-radius: 100px;
  // animation: mymove 5s infinite;
  // -webkit-animation: mymove 5s infinite; /*Safari and Chrome*/
  // animation-direction: alternate; /*轮流反向播放动画。*/
  // animation-timing-function: ease-in-out; /*动画的速度曲线*/
  // /* Safari 和 Chrome */
  // -webkit-animation: mymove 5s infinite;
  // -webkit-animation-direction: alternate; /*轮流反向播放动画。*/
  // -webkit-animation-timing-function: ease-in-out; /*动画的速度曲线*/
}
.btn-callback {
  text-align: center;
  font-size: 30rpx;
  background: #ededed;
  height: 90rpx;
  line-height: 90rpx;
  border-radius: 100px;
  width: 92%;
  margin: 0 auto;
}

	.btn-callback {
		text-align: center;
		font-size: 30rpx;
		background: #ededed;
		height: 90rpx;
		line-height: 90rpx;
		border-radius: 100px;
		width: 92%;
		margin: 0 auto;
	}

	.btns {
		margin-top: 100rpx;
		display: flex;
		flex-direction: column;
		width: 100%;
		justify-content: center;
	}

	@keyframes mymove {
		0% {
			transform: scale(1);
			/*开始为原始大小*/
		}

		25% {
			transform: scale(1.1);
			/*放大1.1倍*/
		}

		50% {
			transform: scale(1);
		}

		75% {
			transform: scale(1.1);
		}
	}

.privacy{
  text-align: center;
  margin-top: 20rpx;
  width: 100%;
}
</style>
